<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>
    <form action="/doLogin" method="post">
     用户名：  <input name="username"/><br/>
     密码：  <input name="password" type="password"/><br/>
        <input type="hidden" name="url" th:value="${url}"/><br/>
    <input type="submit" value="登录"/><br/>
    </form>
</body>
</html>